Open daily 10 a.m. to 5:30 p.m.
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
The museum's main entrance is located on the corner of First Street and Massachusetts Avenue NE. Other entrances have variable hours.
A 3-cent bright violet stamp issued on July 3, 1940, commemorates the 50th anniversary of the admission of the State of Idaho into the Union. The stamp depicts the State Capitol building in Boise, Idaho.
Gordon T. Trotter